"This structure appears to be on or near the downstream part of the sawmill originally on this site that straddled the adjacent wheelrace. The structure shown on this site is not shown on any map earlier than the 1903 one. The site is that of part...

"This was a storehouse building which was originally much larger than it is today. It was undoubtedly damaged in the various explosions of the adjacent press house and rebuilt many times (the present condition shows indications of this). Part of...

"It is not known when the stone blacksmith's shop was built, but it was in existence on the present site in 1834, when it was valued at $1000. At that time part of the building was an iron shop, part a foundry. It was originally much larger than it...

Because electrical sparks must be able to jump 200 times a second through the contact point of an automobile voltage regulator, this tiny part is platinum tipped. The platinum, at $1,334 a pound, makes the part one of the most expensive, ounce for...

On Back: "Christine J. Lunt, PSFS Senior Vice President - Communications and Marketing Division, and Charles Smart, Ph. D., Paleontologist and Collection Coordinator for the Academy of Natural Sciences, discuss the origins of a section of a Wooly...

A.M. Byers Company, Harmony Township, Beaver County, Pennsylvania. Pouring iron into the shotting cup to mix with slag in the proportion of one part iron to three parts slag to produce a ball of sponge iron.

The dome in the foreground is part of containment vessel housing the Heavy Water Components Test Reactor at the Savannah River Plant. The vessel is 70 feet in diameter and approximately 125 feet high. Shown is the 65 foot portion of the structure...